Make coreboot use the offset parameter in cbfstool create
On Sandybridge and Ivybridge systems the firmware image has to store a lot more than just coreboot, including: - a firmware descriptor - Intel Management Engine firmware - MRC cache information This option allows to limit the size of the CBFS portion in the firmware image. Change-Id: Ib87fd16fff2a6811cf898d611c966b90c939c50f Signed-off-by: Stefan Reinauer <reinauer@google.com> Reviewed-on: http://review.coreboot.org/1770 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
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@ -65,7 +65,7 @@ prebuild-files = \
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prebuilt-files = $(foreach file,$(cbfs-files), $(call extract_nth,1,$(file)))
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$(obj)/coreboot.pre1: $(objcbfs)/bootblock.bin $$(prebuilt-files) $(CBFSTOOL)
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$(CBFSTOOL) $@.tmp create $(CONFIG_COREBOOT_ROMSIZE_KB)K $(objcbfs)/bootblock.bin
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$(CBFSTOOL) $@.tmp create $(CONFIG_COREBOOT_ROMSIZE_KB)K $(objcbfs)/bootblock.bin 64 $$(( $(CONFIG_ROM_SIZE) - $(CONFIG_CBFS_SIZE) ))
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$(prebuild-files) true
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mv $@.tmp $@
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else
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@ -304,10 +304,14 @@ config ROM_SIZE
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default 0x800000 if COREBOOT_ROMSIZE_KB_8192
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default 0x1000000 if COREBOOT_ROMSIZE_KB_16384
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config CACHE_ROM_SIZE
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config CBFS_SIZE
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hex
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default ROM_SIZE
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config CACHE_ROM_SIZE
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hex
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default CBFS_SIZE
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config ENABLE_POWER_BUTTON
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bool "Enable the power button" if POWER_BUTTON_IS_OPTIONAL
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default y if POWER_BUTTON_DEFAULT_ENABLE
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@ -123,4 +123,16 @@ config MRC_FILE
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The path and filename of the file to use as System Agent
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binary.
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config CBFS_SIZE
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hex "Size of CBFS filesystem in ROM"
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default 0x100000
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help
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On Sandybridge and Ivybridge systems the firmware image has to
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store a lot more than just coreboot, including:
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- a firmware descriptor
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- Intel Management Engine firmware
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- MRC cache information
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This option allows to limit the size of the CBFS portion in the
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firmware image.
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endif
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